12250090 has 8 divisors (see below), whose sum is σ = 22050180. Its totient is φ = 4900032.

The previous prime is 12250061. The next prime is 12250097. The reversal of 12250090 is 9005221.

It can be written as a sum of positive squares in 2 ways, for example, as 11215801 + 1034289 = 3349^2 + 1017^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12250097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 612495 + ... + 612514.

Almost surely, 2^12250090 is an apocalyptic number.

12250090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12250090 is a deficient number, since it is larger than the sum of its proper divisors (9800090).

12250090 is a wasteful number, since it uses less digits than its factorization.

12250090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225016.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 12250090 is about 3500.0128571192. The cubic root of 12250090 is about 230.5223791448.

The spelling of 12250090 in words is "twelve million, two hundred fifty thousand, ninety".